Sperm production is hormonally driven. Brain hormones govern sperm production and are precisely controlled. So I say yes
        
             
        
        
        
Answer:
respiration
Explanation:
HOPE THAT THIS IS HELPFUL.
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<span>Bivalvia - Clams, Oysters, Scallops and Mussels.
Cephalopod - Octopi, Squids, Cuttlefish, and the Chambered Nautilus.
Gastropoda - Snails and Slugs.
<span> Polyplacophora - Chitons.</span></span>
        
             
        
        
        
Answer:
it increases the viewing size.
Explanation:
Function of microscope is used to enlarge organisms for better look
 
        
                    
             
        
        
        
The answer is: It is an explanation for an observation. 
Explanation:
A hypothesis is a suggested explanation that is both testable and falsifiable. You must be able to test your hypothesis, and it must be possible to prove your hypothesis true or false.